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Employee Benefit Plans - (Benefits Expected to be Paid in Future Years) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2021
Dec. 30, 2020
Retirement Benefits [Abstract]    
Employer contributions $ 151 $ 528
Estimated employer contributions during 2022 900  
Benefits expected to be paid:    
2022 944  
2023 600  
2024 133  
2025 110  
2026 115  
2027 through 2031 $ 374